A retired mathematics teacher, Jeff Miller, has a beautiful website called Images of Mathematicians on Postage Stamps to honor mathematicians and scientists. We have curated 436 of those beautiful stamps of mathematicians…
“Time” is the word that we use many times in a day, and however, physics shows that our common ideas about time do not work well for the real world. What we…
A 19th-century French-born artist Etienne Leopold Trouvelot had a job at Harvard College’s observatory, and he created sketches of astronomical observations. Although Trouvelot himself is less well-known for his astronomical…
Albert Einstein is such a brilliant genius that we can write tons of pages about him. Einstein says that he met science thanks to his father’s compass, which he saw…
Are you looking for some cool math posters for your walls? We have curated some of Megan Emma Moree’s work for you. This series of minimalist posters created for the…
Physics is like a signature God put in creating this universe, and it is the science we would not be without. I have never understood how people who don’t know…
Wooden blocks are very versatile, which is why they are a favorite among many children. Almost every gifted children love to build various kinds of structures because it is an…
No two snowflakes are alike. This discovery was made by a man named Wilson Bentley, a farmer from Vermont, who became affectionately known as “Snowflake” Bentley. Bentley developed an…
The internet is a beautiful thing because there are plenty of useful online tools for everyone. If anyone wants to enhance their skills, there’s a whole suite of valuable tools…

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Featured Directories

Mushroom Color Atlas | Tools | Abakcus

Mushroom Color Atlas

The Mushroom Color Atlas is a resource for everyone curious about mushrooms and the beautiful and subtle colors derived from them.

Featured Books

Ear Snacks | Podcast for Kids | Abakcus

Ear Snacks

Ear Snacks is a podcast centered around kids' voices and ideas. Andrew & Polly think about what we know and wonder what we don’t know yet.
Story Seeds | Podcast for Kids | Abakcus

Story Seeds

The Story Seeds podcast for children captures the magic that happens when children and best-selling authors get together in person.
Bright As A New Penny Dyson Science DIY Project

Bright As A New Penny Science Experiment

Clean a penny using cola. Pennies have a copper coating. As the copper gets older, it reacts with the oxygen in the air and begins to form a copper-oxygen compound.…
How to Make a Kite Box 1

How to Make a Box Kite

Every child wants to be a kite flyer and flew his/her kites so high. They can hold on to their strings and never get tired. Also, large box kites hold…
Underwater Volcano Dyson Science DIY Project

How to Make an Underwater Volcano?

How to create a colorful underwater volcano? Hot air balloons use convection currents. A convection current is a way that heat rises and falls in liquids and gases. As hot…